Merge pull request #6632 from stanley-cheung/php-add-trailing-metadata-api

PHP: add call getTrailingMetadata API

5 files changed, 18 insertions, 2 deletions

diff --git a/src/php/lib/Grpc/AbstractCall.php b/src/php/lib/Grpc/AbstractCall.php
index 712af91eb2..c86d298805 100644
--- a/src/php/lib/Grpc/AbstractCall.php
+++ b/src/php/lib/Grpc/AbstractCall.php
@@ -39,6 +39,7 @@ abstract class AbstractCall
     protected $call;
     protected $deserialize;
     protected $metadata;
+    protected $trailing_metadata;
 
     /**
      * Create a new Call wrapper object.
@@ -66,6 +67,7 @@ abstract class AbstractCall
         $this->call = new Call($channel, $method, $deadline);
         $this->deserialize = $deserialize;
         $this->metadata = null;
+        $this->trailing_metadata = null;
         if (isset($options['call_credentials_callback']) &&
             is_callable($call_credentials_callback =
                         $options['call_credentials_callback'])) {
@@ -84,6 +86,14 @@ abstract class AbstractCall
     }
 
     /**
+     * @return The trailing metadata sent by the server.
+     */
+    public function getTrailingMetadata()
+    {
+        return $this->trailing_metadata;
+    }
+
+    /**
      * @return string The URI of the endpoint.
      */
     public function getPeer()
diff --git a/src/php/lib/Grpc/BidiStreamingCall.php b/src/php/lib/Grpc/BidiStreamingCall.php
index bf813c12e7..95e51c5088 100644
--- a/src/php/lib/Grpc/BidiStreamingCall.php
+++ b/src/php/lib/Grpc/BidiStreamingCall.php
@@ -112,6 +112,7 @@ class BidiStreamingCall extends AbstractCall
             OP_RECV_STATUS_ON_CLIENT => true,
         ]);
 
+        $this->trailing_metadata = $status_event->status->metadata;
         return $status_event->status;
     }
 }
diff --git a/src/php/lib/Grpc/ClientStreamingCall.php b/src/php/lib/Grpc/ClientStreamingCall.php
index 500cfe0d7a..315a406735 100644
--- a/src/php/lib/Grpc/ClientStreamingCall.php
+++ b/src/php/lib/Grpc/ClientStreamingCall.php
@@ -86,6 +86,8 @@ class ClientStreamingCall extends AbstractCall
         ]);
         $this->metadata = $event->metadata;
 
-        return [$this->deserializeResponse($event->message), $event->status];
+        $status = $event->status;
+        $this->trailing_metadata = $status->metadata;
+        return [$this->deserializeResponse($event->message), $status];
     }
 }
diff --git a/src/php/lib/Grpc/ServerStreamingCall.php b/src/php/lib/Grpc/ServerStreamingCall.php
index da48523717..53599fe4ae 100644
--- a/src/php/lib/Grpc/ServerStreamingCall.php
+++ b/src/php/lib/Grpc/ServerStreamingCall.php
@@ -91,6 +91,7 @@ class ServerStreamingCall extends AbstractCall
             OP_RECV_STATUS_ON_CLIENT => true,
         ]);
 
+        $this->trailing_metadata = $status_event->status->metadata;
         return $status_event->status;
     }
 }
diff --git a/src/php/lib/Grpc/UnaryCall.php b/src/php/lib/Grpc/UnaryCall.php
index b57903d6d0..b114b771b8 100644
--- a/src/php/lib/Grpc/UnaryCall.php
+++ b/src/php/lib/Grpc/UnaryCall.php
@@ -75,6 +75,8 @@ class UnaryCall extends AbstractCall
             OP_RECV_STATUS_ON_CLIENT => true,
         ]);
 
-        return [$this->deserializeResponse($event->message), $event->status];
+        $status = $event->status;
+        $this->trailing_metadata = $status->metadata;
+        return [$this->deserializeResponse($event->message), $status];
     }
 }